Swivel mechanism for rotating chair or stool seat



FIG. 1 is a bottom perspective view of the swivel mechanism for rotating chair or stool seat installed on the rotating seat of a chair illustrated in broken outline;

FIG. 2 is a side elevational view of the swivel mechanism installed on a rotating seat of a chair;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a bottom perspective view thereof installed on the rotating seat of a stool illustrated in broken outline; and,

FIG. 5 is a top plan view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a swivel mechanism for rotating chair or stool seat, as shown and described. 